The Oncenter Convention Center
The Oncenter Convention Center, which opened in 1992, consists of 99,000 square feet (9,200 square meters) of rentable space. It is attached to a 1,000-car parking garage. The Convention Center was named after outgoing 20-year county executive Nicholas J. Pirro on 8 December 2007. 
The Oncenter War Memorial Arena
The Oncenter War Memorial Arena is a 6,230-seat multi-purpose arena that has been home to Syracuse's former NBA team, the Syracuse Nationals, as well as several minor-league hockey, football, and lacrosse teams. Since 1994, it has been home to the Syracuse Crunch of the American Hockey League.
The Oncenter Civic Center Theaters
The Oncenter Civic Center Theaters is home to the Syracuse Opera Company. The Crouse-Hinds Theater, the main theater of the center, contains the largest stage in Upstate New York and seats 2,117, on three tiers.
The other two theaters are the Carrier Theater, with 463 seats, and the Bevard Studio, with 162 seats.